<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        p{
            font-size: 30px;
            font-weight: 700;
            font-style: normal;
            font-family: "微软雅黑";
            color: red;
            color: #74c841;
            color: rgb(123,222,155);
            color: rgba(0,0,0,0.5);
        }
        i{
            font-style: normal;
        }
    </style>
</head>
<body>
    <p>我来学习字体属性</p>
    <h3>我是标题</h3>
    <i>我是i标签</i>
</body>
</html>